ZoomOn Home Security Camera

Review by eFreeware

ZoomOn Home Security Camera is an Android app from Master App Solutions, listed under House & Home, that turns a pair of phones or tablets into a monitoring setup. One device stays in the room you want watched, the other travels with you as the viewer. That is the whole idea, and it is a sensible one for anyone with a drawer full of old hardware.

The appeal is the cost of entry. You are not buying a camera, mounting it or wiring anything; you are reusing a device you already own and giving it a second job. The app is free to download, has been on Google Play since September 2016, and sits at a 4.2 average from 11,638 ratings, with more than five million installs behind it.

It is also a category with plenty of alternatives, from dedicated cameras to full alarm systems, so the question is whether software on two handsets covers enough ground. ZoomOn leans on live video, alerts and two-way audio.

Live video is the core of it

The feature the developer leads with is a full-screen live stream in HD, taken from either the front or the rear camera of the device left behind. You choose the angle by choosing how the phone sits, which is a simple way to aim a camera without brackets. The stream is described as continuous, so the watching device shows what is happening as it happens rather than waiting for clips.

Reach is the part that makes this more than a local gadget. The app works across WiFi, 3G, 4G, 5G and LTE, so the viewer does not have to be on the same network as the camera. The developer says it re-establishes the connection quickly after a WiFi disruption, which matters if the camera phone sits on a network that drops.

For dark rooms there is a night mode with a green screen filter, plus a flashlight toggle when you want the camera's own light on the scene. Between the two you get a choice: keep the room dark and rely on the filter, or light it up and take a clearer picture. Neither is a substitute for a purpose-built low-light camera, but both are reasonable tools for a phone sitting on a shelf.

Alerts, recordings and talking back

Motion and noise detection drive the alerting side. The app watches for movement and for sound in the monitored zone, and the developer notes that noise sensitivity can be adjusted so you are not pinged by every passing noise. When something triggers, you get a notification on the viewing device, and a time plan lets you decide when monitoring is active rather than leaving it running around the clock.

There are two practical alerts beyond motion: one if the camera app disconnects, and one if its battery falls below 10 percent. Anyone who has left a phone recording for hours knows the second one is the useful half of that pair. An automatic timeline logs each monitoring session, and recordings plus continuous playback let you go back over what the camera saw.

Audio runs both ways. A microphone button turns the monitoring device into a walkie-talkie, so you can speak into the room you are watching and hear what comes back. That is the feature that turns a security camera into something closer to a baby monitor or a way to check in on an elderly relative, and the developer lists those uses alongside pet watching.

Smaller touches round it out: digital zoom on the live picture, a chart of audio activity, and a running count of monitoring time. None of them change what the app is, but they make a long session easier to review afterwards.

What it asks of you

Setup takes two devices, not one. You install ZoomOn on both, launch it on each, and pair them with a numeric code or a QR code. The two devices can be phones or tablets, and the pairing works across Android and iOS, so an old iPhone can serve as the camera while an Android phone does the viewing, or the other way around.

The app is free to download, and a three-day trial opens up all the features. After that, a subscription is what keeps them, sold monthly, yearly or lifetime. One subscription covers multiple devices, which is the detail that makes a multi-room setup affordable rather than a per-camera cost.

There is a second, narrower mode for people who already own hardware. It works only when the phone and the camera share the same WiFi network, where it can locate ONVIF-compliant IP cameras and display their footage. That is a viewer function bolted onto the phone-to-phone system, not a replacement for it.

On privacy, communication between devices is encrypted through a private cloud setup using industry-standard encryption, with access limited to you. That is the kind of claim worth taking at face value from the developer rather than treating as an independent audit.

Getting a useful picture out of two phones

The success of a setup like this depends less on the app than on where you put the camera phone. A shelf or cabinet at roughly chest height, angled across the room rather than at a wall, gives a far more useful frame than a phone lying flat. Since the app uses whichever camera you point at the scene, the rear camera will usually give the better image and the front one is there when you want the screen facing you.

Power is the constraint to plan around. A phone streaming video for hours will drain, and the app's low battery alert at 10 percent is a warning, not a solution. Leaving the camera device plugged in is the obvious answer where an outlet is nearby; where it is not, the alert tells you when to intervene.

The time plans are worth setting up early. If you only care about the hours when nobody is home, scheduling monitoring for that window cuts the number of notifications you have to sift through and makes the recorded timeline easier to scan. The same goes for noise sensitivity: too low and you miss real activity, too high and the alerts stop being informative.

Multi-room and multi-owner modes are where the design stretches furthest. Several camera phones in different rooms can be watched from one place, and more than one person can hold viewing access. That is the shape of a household arrangement rather than a solo one, and it is the reason the single subscription covering multiple devices matters.

Where the phone-as-camera approach shows its limits

Everything here rests on two working devices, a charged battery and a network connection on both ends. A phone that overheats, runs out of power or loses its signal stops being a camera, and the app can only tell you that it happened. A dedicated camera is built to sit in one place for months; a handset is not.

The subscription is the other consideration. Three days is enough to see whether the pairing and the stream work in your home, but not enough to judge how the alerting behaves over a month of ordinary comings and goings. Committing to a monthly or yearly plan means deciding on a fairly short acquaintance, and the lifetime option is the one that removes the recurring question if you intend to keep the setup.

The ONVIF viewer is genuinely narrow: it only shows footage from a compatible camera when both devices share the same WiFi network, so it will not extend the reach of an existing camera system the way the phone-to-phone mode does.

A sensible fit for a spare phone and a watchful eye

ZoomOn is worth considering if you have an old phone or tablet doing nothing and a reason to keep an eye on a room, a pet, a sleeping child or an elderly parent. The combination of live HD video, motion and noise alerts, two-way audio and multi-room viewing covers the basics well, and the single subscription across devices keeps a larger setup from getting expensive.

I would weigh it against a dedicated camera if reliability in one fixed spot over a long period is the priority, since a phone brings its own battery and heat questions. For a flexible, low-cost arrangement you can move from room to room, this is a reasonable route, and the three-day trial is a fair way to find out whether the pairing works where you live.

What's new in version 5.42

* Updates and small improvements